'\" t
.\"     Title: ll2_update_login_time
.\"    Author: [see the "AUTHOR(S)" section]
.\" Generator: Asciidoctor 2.0.20
.\"      Date: 2025-01-13
.\"    Manual: Programmer's Manual
.\"    Source: util-linux 2.40.4
.\"  Language: English
.\"
.TH "LL2_UPDATE_LOGIN_TIME" "3" "2025-01-13" "util\-linux 2.40.4" "Programmer\*(Aqs Manual"
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.SH "NAME"
ll2_update_login_time \- Writes an *new* entry with updated login time.
.SH "SYNOPSIS"
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\fB#include <lastlog2.h>\fP
.sp
\fBint ll2_update_login_time (struct ll2_context *\fIcontext\fP,
const char *\fIuser\fP, int64_t \fIll_time\fP,
char **\fIerror\fP);\fP
.SH "DESCRIPTION"
.sp
Writes an \fBnew\fP entry to database, defined in \fIcontext\fP, for user \fIuser\fP.
Time is set by \fIll_time\fP whereas the other values are taken from
an already existing entry.
If \fIcontext\fP is NULL, the default database, defined in \fILL2_DEFAULT_DATABASE\fP,
will be taken.
.sp
.if n .RS 4
.nf
.fam C
char    *error = NULL;
const   char *user = "root";
int64_t login_time = time(0); // Get the system time;

int ret = ll2_update_login_time (NULL, user, login_time, &error);
.fam
.fi
.if n .RE
.SH "RETURN VALUE"
.sp
Returns 0 on success, \-ENOMEM or \-1 on other failure.
\fIerror\fP contains an error string if the return value is \-1.
\fIerror\fP is not guaranteed to contain an error string. It could also be NULL if the return value is \-1.
\fIerror\fP should be freed by the caller.
.SH "AUTHORS"
.sp
Thorsten Kukuk (\c
.MTO "kukuk\(atsuse.de" "" ")"
.SH "SEE ALSO"
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\fBlastlog2\fP(3),
\fBll2_new_context(3),
*ll2_unref_context(3),
*ll2_read_all\fP(3),
\fBll2_write_entry\fP(3),
\fBll2_read_entry\fP(3),
\fBll2_remove_entry\fP(3),
\fBll2_rename_user\fP(3),
\fBll2_import_lastlog\fP(3)
.SH "REPORTING BUGS"
.sp
For bug reports, use the issue tracker at \c
.URL "https://github.com/util\-linux/util\-linux/issues" "" "."
.SH "AVAILABILITY"
.sp
The \fBliblastlog2\fP library is part of the util\-linux package since version 2.40. It can be downloaded from \c
.URL "https://www.kernel.org/pub/linux/utils/util\-linux/" "Linux Kernel Archive" "."